Financial Data By Segment And Geographic Area (Financial Data By Geographic Area Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 18,012.2	$ 16,498.3	$ 15,005.4
Assets	50,971.0	63,068.2	48,772.5
United States
Segment Reporting Information [Line Items]
Revenues	15,950.9	14,503.3	13,081.7
Assets	44,565.9	56,856.2	42,137.1
Europe
Segment Reporting Information [Line Items]
Revenues	1,309.2	1,304.2	1,307.9
Assets	2,602.2	2,452.9	2,425.1
Canada
Segment Reporting Information [Line Items]
Revenues	427.5	389.3	337.3
Assets	3,022.0	2,987.9	3,360.5
Other
Segment Reporting Information [Line Items]
Revenues	324.6	301.5	278.5
Assets	$ 780.9	$ 771.2	$ 849.8